wedi building boards XXL

„Stand-alone, robust wall solution with
only one single wedi building board.“

wedi building boards have a blue core made from CFC-free extruded polystyrene rigid foam. This makes the wedi building board an ideal basis for any type of plaster and tile. wedi building boards can be applied to practically any substrate, they are waterproof, insulating, versatile, light and robust.

These large building boards stand out because of their distinctive width of up to 1.20 m. This means that the XXL building boards are easy assembly with all the benefits of the classic wedi building board such as being light and easy to handle, despite their size. Simple to assemble and big in quality.

The blue XPS core is 100% waterproof and remains fully functional even after possible damage.
The cemented surface is a good adhesive under-surface. The fibre fabric also absorbs tensile forces.
All building board systems have great heat insulation properties,

Technical data

Technical data of building board XL & XXL

wedi Building Board Material Composition	XPS/ Extruded Polystyrene Foam Core covered with fiberglass mesh fully embedded in a cement based resin coating
Waterproofness of Assembled System Australia	CodeMark CM20134
Waterproofness of Assembled System New Zealand	CodeMark CM20221
Tensile Strenght (Thinset Mortar to wedi Coating to Foam (ASTM C297)	0.45 N/mm²
Shear Strenght (ANSI A118.10-1999)	28 day Shear Stregnth: 0.65 N/mm² 84 day Shear Strenght: 0.68 N/mm² 100 day Shear Strength: 0.67 N/mm²
Capillarity	0
Flexural Strength (ASTM C947)	4.32 N/mm²
Robinson Floor Tester (ASTM C627)	Heavy duty commercial use, passed
Temperature Limits	-50 C to + 80 C
Long-term compressive strength (50 years) ≤ 2% compression EN 1606	0.08 N/mm²
Compressive resistance or compressive strength at 10% compression EN 826	0.25 N/mm²
Dynamic Impact Test (10 mm board attached to 450 mm timber studs NCC 1 Spec C1.8)	Passes
Max. hanging load when wedi is used on the ceiling	88kg/m²
Max. hanging load when wedi is used on Timber Wall Studs	113kg/m²
Fungus & Bacteria Resistance (ASTM G21)	No Growth, Passes
Drain Assembly Kit, WaterMark	Passes
Weight for Building Board (2500 × 1200 × 10 mm)	10.1 kg

Product sizes

Order no.	Designation	Length x width x thickness
011200010	wedi building board XXL 10 mm	1200 x 1200 x 10 mm
010729410	wedi building board XXL 10 mm	2500 x 1200 x 10 mm
010001220	wedi building board XXL 20 mm	2500 x 1200 x 20 mm
010001250	wedi building board XXL 50 mm	2500 x 1200 x 50 mm
010001612	wedi building board XXL 12,5 mm	2500 x 1200 x 12,5 mm

Area of application

Area of application wedi building boards XXL

XXL building boards stand out because of their exceptional width up to 1.20 m. The XXL building boards bring together all the benefits of classic wedi building boards and are also particularly light and easy to handle, despite their size. Simple to assemble and big in quality.

Accessories